For over 125 years Anker Stones have been manufactured by hand according to a traditional formula. 100% natural materials, consisting of chalk, quartz sand, colour pigments and linseed oil meet highest the ecological standards. As time goes by, the high quality, long-lasting stones get even more vibrant due to their unique composition.

Quality control
In order to ensure the highest quality, each stone is tested individually and measured by hand to meet the required standard. There is a tolerance limit of only a few 1/10th of a millimeter.

Add-on Set 4A is a supplementary set consisting of 65 stones packed in a wooden box. It comes with a construction plan and packing model.
Size of Box: 17.5 x 25 x 4 cm; Weight: 2.25 kg